Comprehensive Report on U.S. Trade and Investment Policy Toward Sub-Saharan Africa. Message from thePresidentofthe United States. United States Government
رؤساء وزراء باكستان Article 41(1) in Chapter 1: ThePresident, Part III: The Federation of Pakistan in the دستور باكستان. نسخة محفوظة 24 ديسمبر 2017 على
Livingston؛ Kenneth A. Wink (1997). "The Passage ofthe North American Free Trade Agreement in the U.S. House of Representatives: Presidential Leadership